linguonym
/ˈlɪŋ.ɡwə.nɪm/
Etymology
From linguo- + -onym.
linguonym means The name of a language; a glossonym. Lexicurio rates it Rare gem — a strength score of 84 out of 100.
noun
- The name of a language; a glossonym.“Manx is the linguonym of the Isle of Man's native language.”